Question: we just need to translate to spanish, please see screenshot, we were unable to find, its everywhere 


The text is from default Magento: lib/web/mage/validation/validation.js 
So if you want translate it, you could translate through this file ib/web/i18n/en_US.csv or vendor/magento/module-ui/i18n/en_US.csv 
If you have any further queries, please feel free to contact us at or create ticket from our support portal.